Re: [Xen-devel] [PATCH v2 2/8] tools: arm: report an error if the guest RAM is too large

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Ian,

On 25/04/14 12:22, Ian Campbell wrote:
> Due to the layout of the guest physical address space we cannot support more
> than 768M of RAM before overrunning the area set aside for the grant table. Due
> to the presence of the magic pages at the end of the RAM region guests are
> actually limited to 767M.
>
> Catch this case during domain build and fail gracefully instead of obscurely
> later on.
>
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> ---
> This is the only patch in this series which I consider to be suitable for
> backporting to Xen 4.4
I agree with you. Without this the guest can crash with weird error.

For this patch:

Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>


--
Julien Grall

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